Type 0678H
Enhanced-breaking Capability Brick Fuse
0678H Series-3912 Size
RoHS Compliant
Features
- Enhanced – Breaking capacity
- Surface mount high current fuse
- Current rating from 500mA to 40A
- Wide operating temperature range from -55℃ to 125℃
- Tape & Reel for auto-insert SMD process
- Compatible with 260℃, IR Pb-free solder process
- RoHS compliant with exemption 7(a)
Full compliance with EU Directive 2011/65/EU and amending directive 2015/863
- Halogen Free, (MSL=1)
- AEC-Q Compliant
- Meets Bel automotive qualification*
* - Largely based on internal AEC-Q test plan
Applications
AEC-Q Compliant
- Voltage regulator module
- PC server
- Office electronic equipment
- Industrial equipment
- Medical equipment
- POE, POE+
- Power supply
- DC-DC converter
- Mass storage systems
Physical Specifications
Safety Agency Approvals
Body : Ceramic
Materials
HALOGEN FREE =
Terminations : Silver Plated Caps /Palladium Plated
Caps
Safety
Agency
Safety Agency
Certificate
On Fuse :
”Current Rating”, “H”- laser marked on ceramic tube,
“bel” stamped in end caps.
Marking
E20624
On Label :
"bel", "0678H", "Current Rating", "Voltage Rating", "Interrupting
Rating", "Appropriate Safety Logos" and "
(China RoHS compliant).
", "
Electrical Characteristics (UL/CSA STD.248-14)
Testing Current
Blow Time
Minimum
Maximum
100%
4 hrs.
N/A
200%
N/A
60 sec
"
R 50544942
EN 60127-1:
2006+A1+A2
EN 60127-4:
2005+A1+A2
J 50545350
EN 60127-1:
2006+A1+A2
EN 60127-7:
2016
E20624
Ampere Rating/
Voltage Rating
Ampere Range / Volt
@ I.R. ability*
500mA-5A /125V@1000A AC
250V@300A AC
125V@2000A DC
>5A-20A /250V@100A AC
125V@500A AC
125V@1000A DC
100V@1500A DC
500mA-40A/250V AC >20A-30A /250V@100A AC
125V@200A AC
125V DC
125V@1000A DC
35A-40A /250V@100A AC
125V@500A AC
125V@1000A DC
40A / 100V@1500A DC
35A / 100V@1500A DC
*I.R.= Interrupting Rating = Short Circuit Rating(Amps)
Specifications subject to change without notice
belfuse.com/circuit-protection
Type 0678H
Temperature Derating Curve
2/4
Average Time Current Curve
Electrical Specifications
Nominal Cold Nominal VoltResistance
drop @100%In
(ohms)
(Volt)
0678H0500-XX
500mA
0.66
1.00
0678H0630-XX
630mA
0.54
1.30
0678H0800-XX
800mA
0.38
1.10
0678H1000-XX
1A
0.21
0.70
0678H1250-XX
1.25A
0.10
0.20
0678H1600-XX
1.6A
0.08
0.19
0678H2000-XX
2A
0.059
0.18
0678H2500-XX
2.5A
0.043
0.18
0678H3150-XX
3.15A
0.035
0.18
0678H4000-XX
4A
0.021
0.18
0678H5000-XX
5A
0.016
0.18
0678H6300-XX
6.3A
0.013
0.17
0678H8000-XX
8A
0.010
0.15
0678H9100-XX
10A
0.0060
0.13
0678H9150-XX
15A
0.0041
0.12
0678H9200-XX
20A
0.0028
0.09
0678H9250-XX
25A
0.0023
0.08
0678H9300-XX
30A
0.0015
0.08
0678H9350-XX
35A
0.0016
0.11
0678H9400-XX
40A
0.0015
0.11
Consult manufacturer for other ratings
XX - Packaging code (see “ordering information”)
Part
Number
Ampere
Rating
Voltage and
Interrupting
Ratings
See Table of Safety
Approvals on Page
1 for Voltage and
associated
Interrupting Ratings
Melting I²T
@10 In
(A²Sec)
0.03
0.06
0.08
0.3
0.4
0.5
1.0
1.8
2.8
7.8
10
20
34
90
220
420
660
2000
735
1000
Nominal Power
Dissipation
(W)
0.5
0.8
0.9
0.7
0.3
0.3
0.4
0.5
0.6
0.7
0.9
1.1
1.2
1.3
1.8
1.8
2.0
2.4
3.9
4.4
Agency Approvals
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
NOTES:
All tests were conducted with the fuses soldered to a printed circuit boards with a nominal thickness of 1.6 mm. The copper t est circuit trace
was a printed circuit with an overall length of 100 mm, copper thickness/width as described below. The printed circuit boards were mounted by
screws to a test fixture having brass blocks for connection of the test leads. All samples
Fuse rating
Test Board Trace Dimensions
were soldered to the test boards by the manufacturer.
500mA-5A
1 oz. copper, 5.0mm wide.
Caution
>5A-30A
3 oz. copper, 10mm wide.
- Minimum fusing point:
>30A-40A
3 oz. copper, 15mm wide.
The 0678H Series fuse are NOT intended to be operated at currents between 100% and
200% of ampere rating. Prolonged operation at currents in this range may result in overheating of the fuse and/or desoldering of the fuse caps
from the PCB pad.
Specifications subject to change without notice
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
+1 201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit-protection
© 2022 Bel Fuse, Inc.
Rev.0678H Jun2022
Type 0678H
3/4
Environmental Specifications
Shock Resistance
Vibration Resistance
Salt Spray Resistance
Insulation Resistance
Solderability
Resistance to solder Heat
Thermal Shock
Operating Temperature
MIL-STD-202G, Method 213B, Test Condition 1
(100 G's peak for 6 milliseconds; Sawtooth
waveform)
MIL-STD-202G, Method 201A (10-55 Hz, 0.06
inch, total excursion).
MIL-STD-202G, Method 101E, Test Condition B
(48 hrs.).
MIL-STD-202G, Method 302, Test Condition A
(After Opening) 10,000 ohms minimum.
MIL-STD-202G, Method 208H
MIL-STD-202G, Method 210F, Test Condition C.
Top Side (260℃, 20 sec)
MIL-STD-202G, Method 210F, Test Condition D.
Bottom Side (260℃, 10 sec)
MIL-STD-202G, Method 107G, Test Condition B
(-65℃ to +125℃).
-55℃ to +125℃
High temperature storage
MIL-STD-202 Method 108
Temperature cycling
JESD22 Method JA-104,Test Condition B
Operational life
MIL-STD-202 Method 103, 85C/85% RH with
10% operating power for 1000 hrs.
MIL-STD-202 Method 108, Test Condition D
Resistance to solvents
MIL-STD-202 Method 215
Mechanical shock
MIL-STD-202 Method 213,Test Condition C
Vibration
Resistance to soldering
heat
Thermal shock
MIL-STD-202 Method 204
Solderability
J-STD-002
Board flex(SMD)
AEC-Q200-005
Terminal strength
AEC-Q200-006
Electrical characterization
3 temperature electrical
Biased humidity
MIL-STD-202 Method 210,Test condition B
MIL-STD-202 Method 107
Moisture Sensitivity Level 1 (According to IPC J-Std-020)
Soldering Parameters
IR Reflow Profile (IPC/JEDEC J-STD-020D)
Preheat & Soak
Temperature min (Tsmin)
Temperature max (Tsmax)
Time (Tsmin to Tsmax) (ts)
150℃
200℃
60-120 seconds
Average ramp-up rate(Tsmax to Tp)
3℃ / second max.
Liquidous temperature(TL )
Time at liquidous (tL)
217℃
60 – 150 seconds
Peak temperature (Tp)
260℃ max
Time (tp) within 5℃ of the specified
classification temperature (Tc)
30 seconds
Average ramp-down rate(Tp to Tsmax)
6℃ / second max.
Time 25℃ to peak temperature
8 minutes max.
Lead-free Wave Soldering Profile
Wave Soldering Parameter
Average ramp-up rate
Heating rate during preheat
Final preheat temperature
200℃ / second
typical 1 - 2℃ / second
Max 4℃ / second
within 125℃ of
soldering temperature
Peak temperature Tp
260℃
Time within +0℃ / -5℃ of actual
peak temperature
10 seconds
Ramp-down rate
5℃ / second max.
Specifications subject to change without notice
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
+1 201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit-protection
© 2022 Bel Fuse, Inc.
Rev.0678H Jun2022
Type 0678H
4/4
Fuse FGNO Explanation
0678H [XXXX] -XX
0678H=0678H Series; [XXXX]=Ampere Rating; XX=See Ordering Information as below
Fraction
Decimal
Milliamps
Bel FGNO[XXXX]
1/2
0.500
500
0500
.630
630
0630
.800
800
0800
8/10
Fraction
1-1/4
2-1/2
Mechanical Dimensions
Decimal
Amps
Bel FGNO[XXXX]
1.0
1
1000
1.25
1.25
1250
1.60
1.6
1600
2.0
2
2000
2.5
2.5
2500
3.15
3.15
3150
4.0
4
4000
5.0
5
5000
6.3
6.3
6300
8.0
8
8000
10
9100
15
9150
20
9200
25
9250
30
9300
35
9350
40
9400
Ordering Information
Packaging
Packaging Tape & Reel
Packaging Specification
Quantity
Quantity & Packaging Code
16mm wide tape with 13 inches Diameter reel
EIA Standard 481-E
2000
2
Specifications subject to change without notice
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
+1 201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit-protection
© 2022 Bel Fuse, Inc.
Rev.0678H Jun2022
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